The walls of buildings or other structures



(No Model.)

G. RICHARDSON.

MEANS FOR PROTECTING THE WALLS 0F BUILDINGS OR OTHER STRUCTURES.

Patented Nov. 29, 17887.

a 5M I 1 "u p I. I I I I/131% MM 25 I I :r/ f fg: I j ELF? Z 1 i 5 I 5%I 7 yum L Q, 2

WITNESSES In firms. Fholwuflwgmphen Wishinglun. n. c.

INITED STATES PATENT OFFICE.

GEORGE RICHARDSON, on NEW YORK, N. Y.

MEANS FOR PROTECTING THE WALLS OF 'BUILDINGS OR OTHER STRUCTURES.

SPECIFICATION forming part of Letters Patent NO. 373,946, dated November29, 1887.

Application filed November 5, 1887. Serial No. 254,343. (No model.)

To aZZ whom, it may concern.-

Beit known that I, GEORGE RICHARDSON, a

citizen of the United States, residing at New- York, in the county ofNew York and State ofNew York, have invented certain new and usefulImprovements in Means for Protecting the Walls of Buildings and otherStructures; and I do hereby declare the following to be a full, clear,and exact description of the invention, such as will enable othersskilled in'the art to which itappertaius to make and use the same.

My invention relates to a new and useful means for protecting the wallsof buildings or other walls and structures, or so much of them as islocated beneath the surface of the earth, from moisture and dampness,thereby protecting the walls from injury incidental to moisture andatthe same time assuring a perfectly dry wall.

My invention, briefly considered, consists in constructing a trencharound the usual wall or foundation of a building on the outsidethereof, cementing the outside of the foundation-wall, and filling thetrench with a porous mixture of sand and cement or of broken stone, ashereinafter fully described.

Referring to the accompanying drawings as In the accompanying drawings,A represents the usual foundation-wall of a house or other buildingprovided with a coating, B, of plastic cement or asphaltum or othersuitable mixture to make the wall water-tight.

C designates the trench alongside of the wall, in which I place a porousfilling of sand and cement or broken stone or brick, which may ormay'not be tamped therein.

D designates the soil, and E a drain pipe or gutter communicating withthe trench, which may lead to a cesspool, sewer, or similar drainadjacent to the building or otherwise. I place the porous mixturepreferably from two (2) to six (6) inches in thickness.

It will be understood that my invention is applicable to any wall orstructure wher dampness is desired to be excluded.

Having thus described my invention, what I claim, and desire to secureby Letters Patent, 1s

1. In combination, the wall A, water-proof coating B, and porous mixture0, substantially as described.

2. In combination, the wallsA, water-proof coating B, porous mixture 0,and drain E, substantially as described.

In testimony whereof I affix my signature in presence of two witnesses.

GEORG E RICHARDSON.

I Witnesses:

CHAS. M. NYE, Geo. J. CHAPMAN.

